restore_error_handler

restore_error_handler

(PHP 4 >= 4.0.1, PHP 5)

restore_error_handlerRestores the previous error handler function

说明

bool restore_error_handler ( void )

Used after changing the error handler function using set_error_handler(), to revert to the previous error handler (which could be the built-in or a user defined function).

返回值

This function always returns TRUE.

范例

Example #1 restore_error_handler() example

Decide if unserialize() caused an error, then restore the original error handler.

<?php
function unserialize_handler($errno$errstr)
{
    echo 
"Invalid serialized value. ";
}

$serialized 'foo';
set_error_handler('unserialize_handler');
$original unserialize($serialized);
restore_error_handler();
?>

以上例程会输出:

Invalid serialized value.

注释

Note:

Calling restore_error_handler() from the error_handler function is ignored.

参见


  • debug_backtrace
  • debug_print_backtrace
  • error_get_last
  • error_log
  • error_reporting
  • restore_error_handler
  • restore_exception_handler
  • set_error_handler
  • set_exception_handler
  • trigger_error
  • user_error
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